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1. The act, practice, or profession of instructing: math instruction.
a. Imparted knowledge: We sought further instruction in a more advanced class.
b. An imparted or acquired item of knowledge: The judge gave the jury an instruction in how the law defines an accomplice.
a. often instructions An authoritative direction to be obeyed; an order: had instructions to be home by midnight.
b. instructions Detailed directions about how to do something: read the instructions for assembly.
4. Computers A sequence of bits that tells a central processing unit to perform a particular operation and can contain data to be used in the operation.
1. directions, orders, or recommended rules for guidance, use, etc
2. (Law) law the facts and details relating to a case given by a client to his solicitor or by a solicitor to a barrister with directions to conduct the case: to take instructions.